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TIL that 'Eigengrau' is the name of the gray color humans see in the absence of light

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46Zg TIL eight glasses of water a day is a myth, water intake is best determined by thirst, and caffeinated drinks can still hydrate you.
AD0xa TIL that Selena Gomez earns £425,000 (approx. $500,000 usd) per sponsored content post on Instagram.
Ypobd TIL Mark Riedl developed software to create parody lyrics to existing songs and dubbed his creation 'Weird A.I. Yankovic'.
NXZd1 TIL a Swiss company made and marketed kid sized condoms to fit youngsters after the country's youngest mother (aged 13) became pregnant because her 14 year old boyfriend wore a condom for their tryst that was too big to stay on and caused their pregnancy.
VWgk TIL that pink, freshwater dolphins exist, but are endangered.